Re: Load balanced CQ listener/Catch up missed events

1. It depends on your application needs. Most likely a single distributed queue will work if it needs to be accessed by any remote producer or consumer. 2. Yes, refer to the documentation from my previous email. 3. What do you mean under "storing a part of the client node"? - Denis On Wed,

Re: Apache Ignite CacheRebalanceMode Is Not Respected By Nodes

Here is a detailed instruction for managing data distribution across server nodes: https://www.gridgain.com/docs/latest/developers-guide/configuring-caches/managing-data-distribution - Denis On Tue, Jul 21, 2020 at 6:19 PM Evgenii Zhuravlev wrote: > Hi, > > CacheRebalanceMode is responsible

Re: A question regarding cluster groups

Hi, A single scattered cluster across two distant data centers is a tricky thing that leads to higher latencies and corner cases you're asking about. As a general recommendation, each data center needs to have its own cluster. The nodes of those two different clusters (belonging to the different

Re: 3rd party persistence: Mapping with RDBMS tables that don't have primary keys

Hi Alex, How will you access such records in Ignite? SQL lookups? If primary key-based searches are irrelevant in Ignite as well then think about the following: - Obviously, Ignite still requires a primary key and that can be an integer number incremented by your application:

Re: ContinuousQueryWithTransformer with custom return type

Both the local listener and remote filter will return BinaryObjects as long as the continuous query was registered with the "cache.withKeepBinary()" option set. However, there is a trick you can use in the implementation of the local listener. Just call "deserialize()" method on the instance of a

Re: Load balanced CQ listener/Catch up missed events

The queue can be a good alternative [1] but the application has to care about faults handling. For example, if a client reads a message from the queue, starts doing some job as the message prescribes and then fails in the middle, then the job is incomplete and nobody else can pick it up. So, you

Re: Local CQ disconnected when other node re-join the cluster

Hi Rick, Please share the logs from both server nodes that capture the moment when the first node is being restarted and the second goes down. Btw, who starts the continuous query - an application code or one of the servers? - Denis On Sat, Jul 18, 2020 at 11:48 AM crypto_ricklee wrote: >

Re: Load balanced CQ listener/Catch up missed events

Hi Devakumar, I think it's feasible to implement such logic with custom remote filters: https://apacheignite.readme.io/docs/continuous-queries#remote-filter Also, an alternate option might be a partitioned message bus like Kafka. Servers can send changes to a Kafka topic and the clients can

Re: Hot service upgrade without downtime

Hi Sergey, Starting Ignite 2.8 you can update services without brining down cluster nodes: https://apacheignite.readme.io/docs/service-grid#service-updates-redeployment Even though you still need to shut down for a short period of time, the cluster itself stays up-and-running. - Denis On Thu,

Re: ScanQuery Transform: fail to deserialze! ignite 2.8.0, java 11

ache.ignite.internal.binary.BinaryMarshaller. >> unmarshal0(BinaryMarshaller.java:101) >> at org.apache.ignite.marshaller.AbstractNodeNameAwareMarshalle >> r.unmarshal(AbstractNodeNameAwareMarshaller.java:81) >> at org.apache.ignite.internal.util.IgniteUtils.unmarshal( >> Ignite

Re: How to do address resolution?

ses/latest/javadoc/org/apache/ignite/configuration/ >> BasicAddressResolver.html >> >> And nothing is mentioned elsewhere in the official docs. >> >> On Wed., Jul. 1, 2020, 2:22 p.m. Denis Magda, wrote: >> >>> But you guys also mentioned in my other thread t

Re: How to do address resolution?

thanks for creating an issue and as well just wondering if any > docs should be updated for containers because I found the > BasicAddresResolver java doc by chance. > > On Wed., Jul. 1, 2020, 12:51 p.m. Denis Magda, wrote: > >> Hi John, >> >> As Stephen mentioned, Visor c

Re: Setting Cache Size using Max Records

1. There is no any public API for that but you can follow a workaround suggested here . If you have a POJO class of your domain object, then create an instance, convert it to BinaryObjectImpl and get the array size (as

Re: ScanQuery Transform: fail to deserialze! ignite 2.8.0, java 11

Hi Rafael, Lamdas and anonymous classes capture and serialize their Inner/OuterClass with all the fields, and classes of the fields of those fields, etc. In your case, ScanQueryClass was captured during the lamda serialization and that class was not found during deserialization on the other side:

Re: How to do address resolution?

Hi John, As Stephen mentioned, Visor connects to the cluster in a way similar to server nodes and thick clients. It's connected as a daemon node that is filtered out from metrics and other public APIs. That's why you don't see Visor being reported in the cluster topology metrics along with

Re: Question on Key choice for an Ignite cache

He Eugene, To elaborate on Ilya's answer, you can define a POJO for your key like as follows: public class AccountKey { String email; String phoneNumber; //don't forget to implement equals() and hashCode() so // that Ignite partitions and locates your records properly } and

Re: Do server nodes attempt to connect to client nodes?

reason would it > take itself offline somehow? > > On Fri, 26 Jun 2020 at 12:46, Denis Magda wrote: > >> John, Stephen, >> >> Just for your reference, soon we'll introduce a configuration option that >> will prevent servers from initiating a connection with thick

Re: Do server nodes attempt to connect to client nodes?

John, Stephen, Just for your reference, soon we'll introduce a configuration option that will prevent servers from initiating a connection with thick clients. The clients will be required to open the connection:

Re: Regarding SQL injection in Ignite H2 database

The discussion is moved to the security channel. Please don’t respond here. Denis On Friday, June 26, 2020, Jinny Ramsmark wrote: > Hello! > > I have a client who has designed an application where the user can input > SQL directly in the browser and send it to the application. > The

Re: Use Kryo serializer end to end

Hi Vicky, Yes, technically that's doable and requires you to create a marshaller implementation that uses Kryo: https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/marshaller/Marshaller.html However, I would switch from the default serialization format (binary format and

Re: Setting Cache Size using Max Records

Victor, Is it correct to assume that the users define this configuration first and only then you span up an Ignite cluster for them? If it's so, then you can translate a user-defined number of records to final data region size. The formula might be as follows - "data_region_size =

Re: Setting Cache Size using Max Records

Hi Vic, That’s unsupported for the off-heap memory. You can only limit memory usage based on the size in bytes. Please share more details of why this type of records eviction is needed. We might suggest an alternate solution. Denis On Wednesday, June 24, 2020, Victor wrote: > Hi, > > I am

Re: GridIoManager compile error(2.8.0)

This should be a problem of your toolchain. If there were compilations issues we would not release those versions. The first thing to check is that you use JDK 8 to build the binary. The produced binary can work on other versions of JDK 9+. - Denis On Sun, Jun 21, 2020 at 6:21 PM 38797715

Re: Amazon AMI not available in a specific region

Ignite dev community, Could you remind me if we still updating the AWS images for our releases? If yes, how about expanding a list of supported regions? - Denis On Wed, Jun 24, 2020 at 6:10 AM Gandhi, Karthik wrote: > Hi - AWS Apache images are limited to 2 regions (US East 1 and US West >

Re: read-though tutorial for a big table

is possible, my writing activities should be continued. The only >> question is to get my local project to production, there is no sense in >> writing another model example. So I hope there will be a progress in the >> nearest future >> >> Vladimir >> >>

Re: Tech Talk: Explaining Ignite Through Coding

Yes, it will be recorded and uploaded to YouTube. If you register for the event, you'll get a follow-up email once the recording is published. Or ping me later here. - Denis On Thu, Jun 18, 2020 at 2:14 PM aveiros wrote: > Denis, > > Will this session be recorded and posted on a video content

Tech Talk: Explaining Ignite Through Coding

Igniters, I'm doing an online tech talk on June 24th in the format of a coding session. We're going to learn key Ignite capabilities by building an application that uses SQL, compute, continuous queries, and

Re: sqlline

Yes, that’s right. On Thursday, June 18, 2020, narges saleh wrote: > Hi Denis > But if all the involved tables/caches have the same affinity key, > shouldn't they be collocated on the same node, if the data fits on that > node? > thanks. > > On Wed, Jun 17, 2020 at 10:53

Re: Atomic Sequence/Auto Increment via IgniteClient - Thin Client - Ignite 2.8.1

Hi Manesh, Thin clients don't support this API yet. As a workaround, see if you can implement a custom SQL function [1] and call it from an INSERT statement issued by the thin client - "INSERT INTO table(id, name, age) VALUES (generateIdFunction(), 'Mark', 40)". I haven't tried this approach and

Re: Best practices for WalArchive when using EFS

Raymond, I agree with you that the existence of the WAL should be more than enough to ensure data consistency. The documentation suggests that the archives help to speed up the rebalancing procedures (refer to the Pros and Cons of WAL Archiving callout):

Re: sqlline

s part of >> the logic)? >> >> On Wed, Jun 17, 2020 at 7:02 PM Denis Magda wrote: >> >>> Narges, >>> >>> INSERTS/UPDATES/DELETES will be forwarded to primary nodes based on the >>> value of primary keys you pass into queries. Ignit

Re: sqlline

ite know which node to run the SQL query on? I assume > the SQL is parsed on the server nodes, and I will still need to direct the > SQL to be executed on the right server node (assuming that all the data is > collocated on a single node). Am I right? > > On Wed, Jun 17,

Re: sqlline

=true for JDBC url > is for? > Should I assume that if the table is defined with affinity set, then > compute collocation, including sql execution will happen automatically? > I am sorry if this is just a basic question. > > On Wed, Jun 17, 2020 at 12:57 PM Denis Magda wrote: > >> If

Re: sqlline

query the data > via SQL line. > > thanks > > On Wed, Jun 17, 2020 at 11:39 AM Denis Magda wrote: > >> Hi, >> >> You need to pass the required parameters to the JDBC driver's connection >> URL: >> https://apacheignite-sql.readme.io/docs/jdbc-driver#para

Re: sqlline

Hi, You need to pass the required parameters to the JDBC driver's connection URL: https://apacheignite-sql.readme.io/docs/jdbc-driver#parameters However, I'm not quite sure what you mean under the "collocation" in the following context. All your data needs to be co-located beforehand (ensure you

Re: Using native persistence to "extend" memory

just disable it: > https://www.gridgain.com/docs/latest/developers-guide/persistence/native-persistence#disabling-wal > > Best Regards, > Evgenii > > > > вт, 16 июн. 2020 г. в 17:02, Denis Magda : > >> Steve, >> >> Please check these generic recommendations if y

Re: Using native persistence to "extend" memory

Steve, Please check these generic recommendations if you haven't done so already: https://apacheignite.readme.io/docs/durable-memory-tuning#native-persistence-related-tuning Otherwise, send us a note if you come across any bottlenecks or issues so that we can give you more specific

Re: Using native persistence to "extend" memory

Hi Steve, I think that you can get a performance hit for your write operations by disabling the WAL. It serves two purposes in Ignite. The first is the recovery while the second is fast disk writes. The WAL is an append-only structure and Ignite can persist changes to disk really quick. If the

Re: IgniteSpringBean IgniteCheckedException

It looks like you copied this configuration template from this documentation file: https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/IgniteSpringBean.html It assumes that an Ignite instance will be started separately and then passed into this configuration file via

Re: Apache Ignite with Spring framework

It depends on what you assume under a spring bean. If that's an entity of a Spring framework such as Controller, Repository or Entity, then you don't need to register anything with Ignite. Use those Spring annotations throughout your application and have your Controllers & Repositories access an

Re: [CVE-2020-1963] Apache Ignite access to file system disclosure vulnerability

This is an official update to the "Credit" section of the vulnerability announcement. Credit: The vulnerability was initially discovered by Jinny Ramsmark of Defensify and further reported to the Ignite community by Sriveena Mattaparth of Ekaplus" Denis Magda, On behalf of Ap

Re: Ignite concepts

ot using the try and > autoclose with the igniteClient I can control when the igniteClient > object is closed and therefore use it for all 3 Cache checks. > > Regards Eugene > > On Thu, Jun 11, 2020 at 10:57 PM Denis Magda wrote: > >> Eugene, >> >> In such

Re: ignite web agent issue

Hello, The community made a decision to stop supporting Ignite Web Console and will deprecate it eventually. It’s better to look for alternatives such as GridGain Web Console or GridGain Control Center. Denis On Thursday, June 11, 2020, itsmeravikiran.c wrote: > Could you please let me know,

Re: Ignite servers are not connecting to the cluster

Hi, there are two things to check. First, add 47500 port number to all the addresses of your TcpDiscoveryVmIpFinder.addresses property. For instance, 10.0.2.4 needs to be changed to 10.0.2.4:47500. Second, double-check that every Docker VM exposes the following port numbers - 11211, 47100,

Re: Ignite concepts

is possible > via JDBC over thin client , so was wondering would that be a more > performant approach, if it's not possible to have a connection pool for key > value operations over the thin client. > > Regards Eugene > > On Thu, Jun 11, 2020 at 12:28 AM Denis

Re: Ignite concepts

Hi Eugene, Let me help you with that as much as I can. Please help me understand the following: - Is the cluster supposed to be deployed outside of Kubernetes (on VMs or bare-metal)? Is this a private cloud (OpenShift, PCF) or a public environment (Azure, AWS, etc.)? - If you use

Re: Configuring DR site for Ignite Application

connections are not > interrupted. > > Thanks > > Deepthi K > > > > *From: *Denis Magda > *Sent: *Wednesday, June 3, 2020 8:52 PM > *To: *user > *Subject: *Re: Configuring DR site for Ignite Application > > > "External email. Open with Caution" &g

Re: some problem in use gridgain8.7.14 on kubernetes

Hi, This user list is intended for Ignite questions. Please direct all GridGain related questions to their forums or StackOverflow. - Denis On Tue, Jun 9, 2020 at 6:35 PM s <13581902...@163.com> wrote: > hi > i use default config，just set localport and

Re: Gridgain8.7.14 in kubernetes problem

Hi, This user list is intended for Ignite questions. Please direct all GridGain related questions to their forums or StackOverflow. - Denis On Tue, Jun 9, 2020 at 6:59 PM s <13581902...@163.com> wrote: > Hello > > > When I used the official image of

Re: Ignite Spring Integration

Check with this tutorial if you missed any essential steps: https://www.gridgain.com/docs/tutorials/spring/spring_ignite_tutorial - Denis On Mon, Jun 8, 2020 at 7:58 PM marble.zh...@coinflex.com < marble.zh...@coinflex.com> wrote: > Hi Guru, > > I am integrating the Spring into the Ignite,

Re: embedded jetty & ignite

-of-in-memory-data-gri-1 - Part 3: https://dzone.com/articles/microservices-on-top-of-an-in-memory-data-grid-par That was before Kubernetes, Spring Boot REST, Quarkus, etc. became de-facto standards for microservices architectures. - Denis On Mon, Jun 8, 2020 at 12:08 PM Denis Magda wrote: > C

Re: embedded jetty & ignite

rvices and data nodes as > microservices. > > On Sat, Jun 6, 2020 at 11:25 PM Denis Magda wrote: > >> Clay, >> >> Probably, such frameworks as Quarkus, Spring Boot, Micronaut would work >> as a better foundation for your microservices. As you know, those already >> go w

Re: embedded jetty & ignite

son was for embedding jetty as an ignite service > was to have ignite manage jetty instance, the same it does for any other > kind of service. > > On Thu, Jun 4, 2020 at 3:30 PM Denis Magda wrote: > >> Clay, >> >> Do you have any specific requirements in mind for the ignite servic

Re: BinaryObjectException: Conflicting enum values

You might have hit the following specificity ("Cluster Doesn’t Start After Field Type Changes") that happens if you change a type of a field: https://www.gridgain.com/docs/latest/perf-troubleshooting-guide/troubleshooting#cluster-doesnt-start-after-field-type-changes - Denis On Fri, Jun 5, 2020

Re: embedded jetty & ignite

, Jun 3, 2020 at 3:20 PM Clay Teahouse wrote: > Thank you, Denis. I'll research this topic further. > > Any recommendation for/against using jetty as an embedded servlet > container, in this case, say, deployed as an ignite service? > > On Fri, May 29, 2020 at 11:22 PM Denis Magda

Re: ignite node heap size

As Ilya suggested start with 2GB per server node. Then do the load testing of your cluster using basic operations you suppose to have in prod. The testing will show if you need to increase or decrease the heap size and to which degree. - Denis On Wed, Jun 3, 2020 at 3:50 AM Ilya Kasnacheev

Re: Configuring DR site for Ignite Application

Hi Deepthi, If RP4VM is comparable to VMWare VMotion then the following page should be exactly what you are looking for: https://apacheignite.readme.io/docs/vmware-deployment#cluster-nodes-migration-with-vmotion - Denis On Wed, Jun 3, 2020 at 1:17 AM DEEPTHI KOLLIPARA wrote: > Hi Team, > > >

Re: embedded jetty & ignite

If I want to go with the first option, how would I deploy jetty as > embedded server? Do I deploy it as an ignite service? > How would I do session clustering in this case? > > On Fri, May 29, 2020 at 3:18 PM Denis Magda wrote: > >> Hi Clay, >> >> I wouldn't suggest

Re: Help with possible advanced Ignite questions during a meetup

urce/community" version of webconsole will be > discontinued? > > > Thanks, > Gaurav > > On Wed, May 27, 2020, 10:32 AM Denis Magda wrote: > >> Hi Zaar, >> >> Congratulations and thanks for spreading the word about Ignite in >> Australia! I tru

Re: Change schema on runtime Apache Ignite

Evgeniy, I remember you were planning to address this particular limitation in the new version of CacheStore. Could you please join the thread and confirm this? Hopefully, there is already a ticket for this task. - Denis On Tue, May 26, 2020 at 11:14 PM manueltg89 <

Re: Help with possible advanced Ignite questions during a meetup

Hi Zaar, Congratulations and thanks for spreading the word about Ignite in Australia! I truly liked the style and flow of your slides. As you reasonably highlighted, Ignite documentation and tooling need more work and attention from the community. Luckily, we are determined to rewrite the docs

Re: Change schema on runtime Apache Ignite

When it comes to Ignite schema changes you can always update your POJOs (add or remove fields) on the application end. The cluster will see the change and will work with the new object version without any restarts. Also, if you'd like the schema changes to be visible to Ignite SQL engine you can

Re: [DISCUSS] Apache Ignite mascot

ed to share: > > 1. Dragon (fire, spark, ignite) > 2. Peacock (feathers, node clusters) > 3. Cheetah (speed, fast) > 4. Beluga Whales (echolocation, multicasting) > > Let me know if you have more suggestions. > > Regards, > Saikat > > > > > On Sun

Webinar, May 20th: Ignite SQL Essentials (Basics, Memory Quotas, Calcite-powered engine)

Igniters, Some time ago, we united with Igor to produce a webinar about Ignite SQL essentials: https://bit.ly/2WzlCrp Beginners will get a full understanding of our SQL capabilities while experienced Ignite developers will learn more about memory management internals in relation to SQL, will get

Re: Apache Ignite 2.8.0: Node Metrics System View doesn't exist

Nikolay, could you please join the thread? Probably, that's a known limitation that should be addressed soon. - Denis On Tue, Apr 28, 2020 at 3:42 AM ivan.fedorenkov wrote: > Hello! > > According to documentation > https://apacheignite.readme.io/docs/system-views ignite should expose the >

Re: unsubscribe

Hi Gordon, You need to send an email to user-unsubscr...@ignite.apache.org to unsubscribe. Btw, did Ignite work out for your use case or you found a better solution? Just curios. - Denis On Wed, Apr 29, 2020 at 3:29 PM Gordon Reid (Nine Mile) < gordon.r...@ninemilefinancial.com> wrote: >

Re: JDBC Connection

on explicitly in the > code, not in the connection? > > thanks. > > On Mon, Apr 20, 2020 at 11:25 PM Denis Magda wrote: > >> You need to issues SET STREAMING ON/OFF commands after opening a >> connection with the driver: >> https://apacheignite-sql.readme.io/doc

Re: JDBC Connection

You need to issues SET STREAMING ON/OFF commands after opening a connection with the driver: https://apacheignite-sql.readme.io/docs/set - Denis On Sun, Apr 19, 2020 at 7:55 AM narges saleh wrote: > Actually, I still have issue with this. > It seems I am not able to specify a JDBC connection

Re: Memcached to Ignite Migration

Hi, There is an integration available for Ignite that supports the Memcached API. I haven't seen any contributions to it for a while but it might be still up-to-date: https://apacheignite.readme.io/docs/memcached-support Also, depending on your programming language you can switch to thin clients

Re: Unable to run several ContinuousQuery due to: Failed to unmarshal discovery data for component: CONTINUOUS_PROC

Hi, Is it possible that another server node is running (without MY_CACHE deployed) and the failing client is connected to it? The exception you see should happen only if a cache is not created in the cluster. Share an implementation of the client logic including the continuous query piece for

Re: Ignite GA support

The algorithms were removed from Ignite 2.8 by Ignite ML due to a lack of support and no active usage. Do you use those APIs? We can certainly move them to Ignite extensions or another repository. - Denis On Fri, Apr 17, 2020 at 4:03 PM ucchino wrote: > Hi there... > > A quick question on

Re: Tibco BW 6 plug-in for Apache Ignite

Hi Angel, Thanks for sharing your plugin with the community! It's highly likely that there some folks on the user list who will be glad to know the plugin is available. We also supported you by sharing the integration via Ignite twitter handle:

Re: SQL Error [08006]: Failed to communicate with Ignite cluster <-- BinaryObjectException: Not enough data to read the value

What’s the exception you see in DBeaver? Denis On Wednesday, April 8, 2020, waterwagen wrote: > I had the exact same error with select statements submitted from DBeaver > 7.0.2, which comes with ignite-core 2.8.0. > > I solved the problem by updating the Ignite driver settings in DBeaver to >

Re: ClassNotFoundException

Hi, Do you use ignite.sh/bat script to start the cluster nodes that will be hosting the services? Only that script adds jars from the root of "ignite/lib" directory to the classpath. - Denis On Wed, Apr 8, 2020 at 4:08 AM narges saleh wrote: > Hi All, > I am deploying the jar that includes

Ignite 2.8 Webinar, April 8th - What's New in the Release

Fellow Igniters, There are so many changes that contributed to version 2.8, then even I, an old-timer who is with the community for a while, underestimated how startling this version turned out to be. Just finished my slides for the webinar coming this Wednesday [1] and still finishing some code

Re: Do we have any Python experts in the community?

'll do it. > > Best Regards, > Igor > > > On Sat, Mar 28, 2020 at 2:04 AM Denis Magda wrote: > >> Igniters, >> >> Is any of you is skillful enough to contribute improvements to our Python >> thin client? For instance, that's one of the tickets that has b

Do we have any Python experts in the community?

Igniters, Is any of you is skillful enough to contribute improvements to our Python thin client? For instance, that's one of the tickets that has been recently reported on the user list: https://issues.apache.org/jira/browse/IGNITE-12809 - Denis

Re: [ANNOUNCEMENT] Ignite New Website is Live

(as long as they are published on highly-ranked resources). - Denis On Fri, Mar 27, 2020 at 11:56 AM Pavel Tupitsyn wrote: > Denis, this is awesome, thank you! > > There is no Blogs page anymore, is that intentional? > > On Fri, Mar 27, 2020 at 8:46 PM Denis Magda wrote: >

[ANNOUNCEMENT] Ignite New Website is Live

Dear Community, I've just merged and released a new version of the website. Take your time and enjoy the new look & feel, structure, content, and navigation menu: https://ignite.apache.org Thanks to everyone who took part in the most recent Ignite survey [1] and helped us pinpoint key use cases

Re: Exporter usage of Ignite 2.8.0

Kamlesh, Anton, There are documentation pages that should answer your questions: https://apacheignite.readme.io/docs/new-metrics#section-exporters Just in case, looping in Nikolay who is a primary contributor to the feature. - Denis On Mon, Mar 23, 2020 at 4:02 AM Kamlesh Joshi wrote: > Hi

In-Memory Computing Essentials Webinar, March 25th - New Edition

Hi Igniters, I thought that some of you could benefit from joining a webinar about in-memory computing essentials [1] on March 25th, where Ignite is used as a reference platform for explanation/demonstration of the main topics. Some of you might have watched the original version, that had bee

Re: [DISCUSSION] Major changes in Ignite in 2020

core that will be released separately from Ignite extensions. The 'why' is written here: https://cwiki.apache.org/confluence/display/IGNITE/IEP-36%3A+Modularization - Denis On Thu, Mar 19, 2020 at 11:21 AM Denis Magda wrote: > Dear Ignite community, > > Many of us want to

[DISCUSSION] Major changes in Ignite in 2020

Dear Ignite community, Many of us want to see where Ignite is heading and ask for some sort of a 2020 course/plan/roadmap and a predictable schedule of major releases. Also, there are intentions to enhance some internal processes and collaboration approaches. Let's start moving in that direction

Re: Security threat due to H2 admin privileges for Ignite

Hello Sriveena, We're looking into this and keep you posted on a solution. - Denis On Fri, Mar 13, 2020 at 2:47 AM Sriveena Mattaparthi < sriveena.mattapar...@ekaplus.com> wrote: > Please suggest on ways to override the ignite configurations to start h2 > database user with a custom user who

Re: cache/table metadata

Please check this example: https://github.com/apache/ignite/blob/master/examples/src/main/java/org/apache/ignite/examples/binary/datagrid/CacheClientBinaryPutGetExample.java#L124 and documentation:

Re: Failed to retrieve Ignite pods IP addresses error

Hello Juili, This exception might happen if KubernetesIPFinder cannot connect a Kubernetes API server. It uses this address:

Re: read-though tutorial for a big table

Hello Vladimir, Just to clarify, are you suggesting to create a tutorial for data loading scenarios when data resides in an external database? - Denis On Tue, Mar 10, 2020 at 11:41 PM wrote: > Andrei, Evgenii, thanks for answer. > > Aa far as I see, there is no ready to use tutorial. I

Re: page is broken,cannot restore it from wal (2.8.0)

t; been fixed. > I know Ilya's way of solving this problem. But this problem is more > distressing, which brings insecurity to users. > 在 2020/3/11 上午5:01, Denis Magda 写道: > > Does this issue arise under special circumstances? Have you experienced > this before switching to Ignite 2

Re: Cache metrics on server nodes does not update correctly

@Nikolay Izhikov , @Andrey Gura , could you folks check out this thread? I have a feeling that what Dominik is describing was talked out before and rather some sort of a limitation than an issue with the current implementation. - Denis On Tue, Mar 3, 2020 at 11:41 PM Dominik Przybysz wrote:

Re: page is broken,cannot restore it from wal (2.8.0)

Does this issue arise under special circumstances? Have you experienced this before switching to Ignite 2.8? - Denis On Sat, Mar 7, 2020 at 5:21 PM 18624049226 <18624049...@163.com> wrote: > hi community, > > What are the reasons for the following problems? How to avoid it? > >

Re: SQL Error [08006]: Failed to communicate with Ignite cluster <-- BinaryObjectException: Not enough data to read the value

Hi Devin, I can see the latest Ignite artifacts in Maven: https://search.maven.org/search?q=a:ignite-core Are you missing any particular package? - Denis On Tue, Mar 10, 2020 at 11:48 AM Devin Bost wrote: > Hi Andrei, > > Thanks for the information. Do you know anything about when Ignite

Re: Zookeeper discovery with Ignite 2.8.0 - class NoClassDefFound

Mike, Have we filed a ticket to fix the issue in an upcoming release? On Monday, March 9, 2020, Mikhail wrote: > Hi Dominik, > > in new zookeeper 3.5.5 version part of classes were moved in new jar: > https://mvnrepository.com/artifact/org.apache.zookeeper/ > zookeeper-jute/3.5.5 > which is

Distributed DMX Lighting Control With Apache Ignite.NET

Hi Igniters, Let me introduce you to Mike James, who has been working on a gripping project that uses Apache Ignite as a backbone for a distributed DMX Control system. That's a use case of the entertainment industry and, hopefully, many rockstars will switch to the solution to produce light

Re: Thick vs Thin client

This resource is more descriptive: https://www.gridgain.com/docs/latest/installation-guide/deployment-modes#thick-vs-thin-clients - Denis On Mon, Mar 2, 2020 at 3:02 AM scriptnull wrote: > Hi, > > While going through the threads in this user list, I noticed that these > terms are getting used

Re: Apache Spark with Ignite

Hi, let me try to answer some of your questions. >>> is spark a good solution to write realtime to ignite or should i use the datastreamer option of ignite. Yes, Spark Streaming should work fine for you as long as you still will be using JavaSharedRdd.savePairs [1] method that uses

Re: cache.containsKey returns false

Hi Akash, Do you execute the cache.contains() method after reading-through the record with cache.get()? Do you have any expiration/eviction policies set that may purge the record from memory after being loaded from disk? - Denis On Fri, Feb 28, 2020 at 9:11 AM Akash Shinde wrote: > Hi, > I

Re: org.apache.ignite.IgniteException: Invalid message type: -4692

Hi Aditya, Your networking configuration is significantly customized and it's hard to spot which configuration setting causes the issue. As Ilya mentioned, what happens is that one of the ports (occupied by Ignite nodes) is accessed by an alien process. Check the port numbers the alien process

Re: How to reconnect continuous query?

Hi Rick, What's the stack trace you see? Generally, creating/registring a new continuous query is a proper way of reconnection handling. The issue might be that the new query is created by a system thread that triggered your predicate - ignite.events().localListen(new IgnitePredicate() - Denis

Re: TEST mail

Who are you trying to share in the body? Attaching smth? Try to stick to the plain text. - Denis On Tue, Feb 25, 2020 at 9:35 AM Prasad Bhalerao < prasadbhalerao1...@gmail.com> wrote: > my mails with body contents are not showing up in ignite user list. Sent > the same mail multiple times but

Re: Read through not working as expected in case of Replicated cache

Ignite Dev team, This sounds like an issue in our replicated cache implementation rather than an expected behavior. Especially, if partitioned caches don't have such a specificity. Who can explain why write-through needs to be enabled for replicated caches to reload an entry from an underlying

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